been arrests in the killings. our workers who were in benghazi have all been evacuated to tripoli. there there are only emergency staff working in the embassy as there are fears today across the pond and here about more violence in the region. more demonstrations overnight. more tear gas. more rocks thrown at police. so far, more than 200 have been injured in protests at 11 u.s. compounds and despite a call for calm by egypt's president, there's concern about more violence today after friday prayer. >> we are going to bring those who killed our fellow americans to justice. >> reporter: the fbi is sending a team from new york to germany, then ben ghazbenghazi. they said they're looking for more. >> we have to protect our people. we have to protect the americans. >> reporter: secretary of state hillary clinton identified the two security guards who were killed. >> they were good and great men. they were committed to the cause of building a brighter future for the people of libya. >> reporter: in washington and on the campaign trail, republicans are pushing the obama administration.